| Patents for B64C 27 - Rotorcraft; Rotors peculiar thereto (10,112) |
|---|
| 08/18/1987 | US4687691 Shear strength |
| 08/11/1987 | US4685640 Air vehicle |
| 08/11/1987 | CA1225380A1 Rotary wing flying craft |
| 08/06/1987 | DE3602100A1 Actuating device |
| 08/05/1987 | CN86101536A Foldable active type helicopter |
| 07/30/1987 | WO1987004402A1 Bladed aircraft rotor with flexible blade mountings |
| 07/29/1987 | EP0229896A2 Aircraft, in particular a high-speed helicopter |
| 07/28/1987 | US4682512 Power train for heavy lift helicopters |
| 07/23/1987 | DE3601105A1 Rotor, especially for rotary wing aircraft |
| 07/21/1987 | US4681511 Low vibration helicopter rotor |
| 07/07/1987 | US4678401 Rotor control system |
| 07/02/1987 | DE3636456A1 Circulation-controlled rotor system for aircraft |
| 06/30/1987 | US4676720 Bearingless hub structure for rotary-wing aircrafts |
| 06/30/1987 | US4676669 Tailoring tilt in an elastomeric high torque, constant velocity joint |
| 06/30/1987 | US4676457 Aircraft emergency landing system |
| 06/18/1987 | WO1987003554A1 Helicopter antitorque auxiliary propulsion system |
| 06/10/1987 | EP0225250A1 Elastically borne hub for double blade rotors |
| 06/04/1987 | WO1987003264A1 Device for producing a forward drive force |
| 06/02/1987 | US4669958 Swashplate control system |
| 05/27/1987 | EP0223364A1 Convertible turbo-fan, turbo-shaft aircraft propulsion system |
| 05/27/1987 | EP0223117A2 Circulation-controlled rotor system for aircraft |
| 05/26/1987 | US4668169 Helicopter rotor blade |
| 05/26/1987 | US4668115 Helicopter rotor spindle retention assembly |
| 05/26/1987 | US4667909 Single-stick control system for helicopters |
| 05/19/1987 | US4666753 Filament wound structure for use as a torque drive |
| 05/14/1987 | DE3636454A1 Aircraft, especially a rotary-wing aircraft of the helicopter type, for relatively high airspeeds |
| 05/14/1987 | DE3607374C1 Device for balancing a rotor blade |
| 05/14/1987 | DE3603400C1 Control device for rotor blade adjustment, especially in the case of a rotary-wing aircraft |
| 05/13/1987 | EP0221678A1 Helicopter rotor |
| 05/13/1987 | EP0221372A2 Constant velocity joint and installations |
| 05/05/1987 | US4662584 Arrangements of or to propellers to improve the capabilities of propeller-driven craft |
| 04/28/1987 | US4660785 Helicopter antitorque auxiliary propulsion system |
| 04/21/1987 | US4659287 Helicopter engine-drive assembly |
| 04/21/1987 | US4659286 Main helicopter drive |
| 04/21/1987 | US4659069 Laminated mechanical elements |
| 04/14/1987 | CA1220463A1 Airfoil section for a rotor blade of a rotorcraft |
| 04/09/1987 | WO1987002004A1 Aircraft with rotary wings |
| 04/08/1987 | EP0216770A1 Device for damping oscillations |
| 04/07/1987 | US4655685 Helicopter main rotor blade having a short span slot near the tip end |
| 03/31/1987 | US4653705 Autogyro with auxiliary rotor drive |
| 03/31/1987 | CA1219849A1 Enhanced propulsion aft rotor for rotary wing aircraft, and device for achieving said enhanced propulsion |
| 03/25/1987 | EP0215719A1 Lifting and carrying device for shifting freight by air |
| 03/25/1987 | EP0215688A1 Flapping restrainer device for a helicopter rotor |
| 03/24/1987 | US4652213 Propeller blade for aircraft propulsion |
| 03/24/1987 | US4652211 Helicopter rotor |
| 03/24/1987 | US4652210 Device incorporating retractable stops for limiting the flappings of the blades of the main rotor of a rotorcraft |
| 03/24/1987 | US4651521 Convertible turbo-fan, turbo-shaft aircraft propulsion system |
| 03/17/1987 | US4650534 Helicopter blade longitudinal member and relative manufacturing method |
| 03/17/1987 | US4650401 Flat strap cruciform flexure for helicopter rotor systems |
| 03/17/1987 | US4650400 Helicopter blade pitch adjusting system |
| 03/10/1987 | US4648800 Composite flexbeam for a rotary wing aircraft |
| 03/10/1987 | US4648568 Emergency anti-torque control system and method for helicopters |
| 03/04/1987 | EP0213016A1 Mast hub unit and rotor head for a rotor craft incorporating it |
| 03/04/1987 | EP0212724A2 Composite blade, in particular for a multiblade propeller with variable pitch and individually removable blades, and manufacturing process |
| 03/04/1987 | EP0104163B1 Aircraft without engine |
| 02/25/1987 | EP0211740A1 Mast hub unit and rotor head for a rotor craft incorporating it |
| 02/25/1987 | EP0211173A2 Active vibration isolation system employing electro-rheological fluid |
| 02/24/1987 | US4645423 Tension/compression rod arrangement for damping helicopter rotor blade oscillations |
| 02/17/1987 | US4643646 Large airfoil structure and method for its manufacture |
| 02/12/1987 | DE3528134A1 Fork-shaped lever on a component consisting of fibre-reinforced plastic |
| 02/04/1987 | CN85102445A Man-powered helicopter |
| 02/03/1987 | CA1217358A1 Laminated tubular link |
| 01/27/1987 | US4639284 Process for manufacturing a variable pitch multi-blade propeller by molding resin-impregnated fails around a preform |
| 01/14/1987 | EP0208608A1 Helicopter antiresonant suspension system with six degrees of freedom |
| 01/14/1987 | EP0208399A1 Improvements in and relating to tracker systems |
| 01/13/1987 | CA1216477A1 Rotor device |
| 12/30/1986 | US4632337 Helicopter rotor transmission systems |
| 12/30/1986 | US4631951 Arrangement for testing a flow meter |
| 12/23/1986 | US4630998 Apparatus for control of collective and cyclic pitch of the blades of a rotor |
| 12/16/1986 | US4629644 Resin matrix, diaphragm and reinforcing fibers |
| 12/09/1986 | US4628455 Cross axis torque limiter for helicopter autopilot |
| 12/02/1986 | US4626173 Variable-pitch multi-blade propeller incorporating individually dismountable blades made of composite materials, process for manufacturing such blades and blades thus produced |
| 12/02/1986 | US4626172 Variable-pitch multi-blade propeller incorporating individually dismountable blades made of composite materials, process for manufacturing such blades and blades thus produced |
| 12/02/1986 | US4626171 Rotor blade construction for circulation control aircraft |
| 11/26/1986 | EP0202225A1 Lifting device for persons and/or loads |
| 11/19/1986 | CN85103603A Level-blade helicopter |
| 11/18/1986 | US4623300 Helicopter rotor blade securement device |
| 11/18/1986 | CA1214149A1 Helicopter engine torque compensator |
| 11/12/1986 | EP0201309A2 Air vehicle |
| 11/12/1986 | EP0201008A2 Helicopter rotor system and method |
| 11/11/1986 | US4621980 Fiber reinforced composite spar for a rotary wing aircraft |
| 10/28/1986 | US4619349 Vibration isolator |
| 10/21/1986 | CA1213013A1 Excessive descent rate warning system for rotary wing aircraft |
| 10/14/1986 | US4616977 Hubless, hingeless and bearingless helicopter rotor system |
| 10/01/1986 | EP0195850A2 Active vibration isolation system |
| 09/24/1986 | CN85106994A Aerodynamic device |
| 09/16/1986 | US4611971 Device comprising cyclic plates driven by flexible blades, for controlling a helicopter rotor |
| 09/09/1986 | US4610410 Compound helicopter and powerplant therefor |
| 09/02/1986 | US4609165 Helicopter auxiliary energy system |
| 08/19/1986 | US4607202 Apparatus for automatically eliminating control force errors in aircraft, especially helicopters |
| 08/12/1986 | CA1209670A1 Torsional mode suppressor |
| 08/12/1986 | CA1209559A1 Propeller pitch change actuation system |
| 08/12/1986 | CA1209558A1 Soft inplane bearingless helicopter rotor |
| 08/05/1986 | US4604526 Position detector |
| 08/05/1986 | US4604032 Rotor device |
| 07/29/1986 | US4603389 Three cue flight director system for helicopters |
| 07/29/1986 | US4603388 VTOL altitude hold system with automatic ground effect compensation |
| 07/22/1986 | US4601639 Nodalized rotor |
| 07/22/1986 | US4601444 Aerial load-lifting system |
| 07/22/1986 | US4601169 Check device for a redundant flight control apparatus |